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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: plowking_90 on February 19, 2009, 12:25:42 pm

Title: engine shutting off
Post by: plowking_90 on February 19, 2009, 12:25:42 pm

i have a 90chevy 3/4 ton with 350 a throttle body engine every tim i hit a bump in the road or even when im driving on an open road the engine light flashes and the motor cuts out for a split second and will do it rapididly for a min or so at a time and suggestions will help before the truck is on fir in my driveway!!!!! ???

Title: Re: engine shutting off
Post by: Captkaos on February 19, 2009, 01:22:00 pm

What are the codes that it is throwing?

Title: Re: engine shutting off
Post by: choptop on February 19, 2009, 03:34:20 pm

Also check your grounds from the battery to the chassis and block. A loose or corroded one will cause alot of headaches

Title: Re: engine shutting off
Post by: VileZambonie on February 19, 2009, 04:52:45 pm

With the engine running wiggle test all of your wires around the battery, distributor, firewall, bulkhead connector, ECM and fuel pump. See if you can duplicate it.